The underground city

This paper compares an Imposed Seismic Ground Deformation method (ISGD) and the acceleration diagrammethod in calculating the tunnel affected by the earthquake in soft soil of the area of Ho Chi Minh city.

12p vimarillynhewson 02-01-2024 6 3   Download

The article presents predicting land subsidence in the influence of external load such as pile foundation, increased load due to construction or change of transport infrastructure to twin tunnels to analytical and numerical methods.

4p viargus 20-02-2023 2 1   Download

To sum up, the thicker a gravel layer is, the more capable a gravel layer is to protect the city from flooding. The urban flood can be reduced by the combination of a high surface infiltration rate permeable pavement system and a thick underground detention pond.

10p thebadguys 15-01-2022 14 0   Download

This paper analyzes and evaluates the characteristics and distribution of limestone bedrock, the activity of the underground karst to identify the causes and mechanisms of land subsidence in the west and southwest of Hanoi city. It also provides warnings of the risk of ground subsidence for some areas.

9p vithanos2711 08-08-2019 26 1   Download

The area extending between Danube Canal, Danube, New and Old Danube embodies the most dynamic por- tion of Vienna’s stretch of the river. Always considered highly attractive for construction projects, the situation by the water’s edge is strongly enhanced by the inter- sections with the identity-creating urbanistic axis of Wagramer Strasse and the U1 Underground line. Thus the riverside zones are both provided with, and bordered by, signifi cant spatial fi gures and types with high recogni- tion value.

10p doidieumuonnoi 11-06-2013 57 6   Download

It was my original intention to write a biography of Alexander Hamilton in a more flexible manner than is customary with that method of reintroducing the dead to the living, but without impinging upon the territory of fiction.

265p chonguoinoiay 23-02-2013 53 5   Download

Tham khảo sách 'robur the conqueror', giải trí - thư giãn, truyện ngắn phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

142p hotmoingay8 26-01-2013 58 2   Download

Tom Maddox is an American science fiction writer, known for his part in the early cyberpunk movement. His first novel was Halo (ISBN 0-312-85249-5), published in 1991 by Tor Books. His story Snake Eyes appeared in the 1986 collection Mirrorshades, edited by Bruce Sterling. He is perhaps best-known as a friend and writing partner of William Gibson; they wrote two episodes of the X-Files together, "Kill Switch" and "First Person Shooter". Maddox is the originator of the term Intrusion Countermeasures Electronics (or ICE).

167p hotmoingay7 23-01-2013 50 4   Download

The engineer's curiosity was excited to the highest pitch. It never occurred to him to doubt whether this letter might not be a hoax. For many years he had known Simon Ford, one of the former foremen of the Aberfoyle mines, of which he, James Starr, had for twenty years, been the manager, or, as he would be termed in English coal-mines, the viewer. James Starr was a strongly-constituted man, on whom his fifty-five years weighed no more heavily than if they had been forty. He belonged to an old Edinburgh family, and was one of its most distinguished members.

119p hotmoingay7 23-01-2013 43 3   Download

Tham khảo sách 'off on a comet', khoa học tự nhiên, vật lý phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

268p hotmoingay7 23-01-2013 52 6   Download

Little though they seem to think of it, the people of this twenty-ninth century live continually in fairyland. Surfeited as they are with marvels, they are indifferent in presence of each new marvel. To them all seems natural.

20p hotmoingay7 23-01-2013 46 2   Download

About Verne: Jules Gabriel Verne (February 8, 1828–March 24, 1905) was a French author who pioneered the science-fiction genre. He is best known for novels such as Journey To The Center Of The Earth (1864), Twenty Thousand Leagues Under The Sea (1870), and Around the World in Eighty Days (1873). Verne wrote about space, air, and underwater travel before air travel and practical submarines were invented, and before practical means of space travel had been devised. He is the third most translated author in the world, according to Index Translationum.

120p transang7 10-01-2013 51 4   Download

The burning of fossil fuels puts into the atmosphere carbon dioxide, which is causing gradual global warming. This 'greenhouse effect' may by early next century have increased average global temperatures enough to shift agricultural production areas, raise sea levels to flood coastal cities, and disrupt national economies.

67p yeurauxanh88 28-09-2012 47 5   Download

You should spend about 20 minutes on this task. The take below gives information about the underground railway systems in six cities. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

2p anhheomap 13-12-2010 68 7   Download

The City of Naperville operates a Department of Public Utilities, which includes a municipal electric utility. Naperville’s electrical distribution system is nearly 90% underground, except in older areas of town where overhead facilities are still utilized. The nominal voltage of the system is 12.47kV transformed from 34.5kV and 138kV. There are 6 points of service on the 138kV transmission system from bulk power providerComEd. The City does not have generation capability at this time.

6p balanghuyen 13-01-2010 115 17   Download